| Troy Price | AFSCME Iowa Council 61 | Opposing | GA89 |
| Mark Stringer | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA89 |
| Pete McRoberts | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA89 |
| Rita Bettis Austen | American Civil Liberties Union of Iowa (ACLU-IA) | Opposing | GA89 |
| Carolann Jensen | Board of Regents, State of Iowa | Opposing | GA89 |
| Jennifer Harbison | Board of Regents, State of Iowa | Opposing | GA89 |
| Keith Saunders | Board of Regents, State of Iowa | Opposing | GA89 |
| Mary Braun | Board of Regents, State of Iowa | Opposing | GA89 |
| MaryNelle Trefz | Common Good Iowa | Opposing | GA89 |
| Mike Owen | Common Good Iowa | Opposing | GA89 |
| Sheila Hansen | Common Good Iowa | Opposing | GA89 |
| Christopher Rants | Des Moines Public Schools | Opposing | GA89 |
| John Cacciatore | Des Moines Public Schools | Opposing | GA89 |
| Marcus Haack | Episcopal Diocese of Iowa | Opposing | GA89 |
| Wendy Abrahamson | Episcopal Diocese of Iowa | Opposing | GA89 |
| Hannah McDowell | EveryStep | Opposing | GA89 |
| Nick Laning | EveryStep | Opposing | GA89 |
| Rachel Ong | EveryStep | Opposing | GA89 |
| Threase Harms | EveryStep | Opposing | GA89 |
| Andrea Woodard | Greater Des Moines Partnership | Opposing | GA89 |
| Brad Epperly | Greater Des Moines Partnership | Opposing | GA89 |
| Dustin Miller | Greater Des Moines Partnership | Opposing | GA89 |
| Bill Gustoff | Homeschool Iowa | Undecided | GA89 |
| Joe Bailey | Homeschool Iowa | Undecided | GA89 |
| Teresa Bomhoff | IA Mental Health Planning Council | Opposing | GA89 |
| Connie Ryan | Interfaith Alliance of Iowa Action Fund | Opposing | GA89 |
| Lisa Cushatt | Iowa ACEs 360 | Opposing | GA89 |
| David Palmer | Iowa Association of Community College Trustees | Opposing | GA89 |
| Emily Shields | Iowa Association of Community College Trustees | Opposing | GA89 |
| Jeff Smith | Iowa Association of Community College Trustees | Opposing | GA89 |
| Jerry Fitzgerald | Iowa Association of Community College Trustees | Opposing | GA89 |
| Laurie Wolf | Iowa Association of Community College Trustees | Opposing | GA89 |
| Maggie Smith-Fitzgerald | Iowa Association of Community College Trustees | Opposing | GA89 |
| Matt Fitzgerald | Iowa Association of Community College Trustees | Opposing | GA89 |
| Emily Piper | Iowa Association of School Boards | Opposing | GA89 |
| Phil Jeneary | Iowa Association of School Boards | Opposing | GA89 |
| James Kersten | Iowa Central Community College | Undecided | GA89 |
| Laura Hessburg | Iowa Coalition Against Domestic Violence | Opposing | GA89 |
| Amy Campbell | Iowa Coalition Against Sexual Assault | Opposing | GA89 |
| Craig Patterson | Iowa Coalition Against Sexual Assault | Opposing | GA89 |
| Brian Carter | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Gary Nims | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Rita Carter | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Roberta Paige | Iowa Conference of United Methodist Church | Opposing | GA89 |
| Renee Jerman | Iowa Department of Education | Undecided | GA89 |
| Peter Hird | Iowa Federation of Labor, AFL-CIO | Opposing | GA89 |
| Frederick Haskins | Iowa Insurance Associates | Opposing | GA89 |
| Jim Garrett | Iowa Labor History Society | Opposing | GA89 |
| Lina Tucker Reinders | Iowa Public Health Association | Opposing | GA89 |
| Melissa Peterson | Iowa State Education Association | Opposing | GA89 |
| Morgan Miller | Iowa State Education Association | Opposing | GA89 |
| Betty Andrews | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Opposing | GA89 |
| David Walker | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Opposing | GA89 |
| Russell Lovell | NAACP, National Association for the Advancement of Colored People, Iowa-Nebraska | Opposing | GA89 |
| Brian Walker | National Association of Social Workers, Iowa Chapter | Opposing | GA89 |
| Denise Rathman | National Association of Social Workers, Iowa Chapter | Opposing | GA89 |
| Jordan Rico | National Association of Social Workers, Iowa Chapter | Opposing | GA89 |
| Dave Daughton | Rural School Advocates of Iowa | Opposing | GA89 |
| Margaret Buckton | Rural School Advocates of Iowa | Opposing | GA89 |
| David Wilkerson | School Administrators of Iowa | Opposing | GA89 |
| Kelli Harrison | UAW Region 4 | Opposing | GA89 |
| Karl Schilling | United Professionals/UE | Opposing | GA89 |
| Dave Stone | United Way of Central Iowa | Opposing | GA89 |
| Margaret Buckton | Urban Education Network of Iowa | Opposing | GA89 |
| Steve Warnstadt | Western Iowa Tech Community College | Opposing | GA89 |